diff --git a/libICE.spec b/libICE.spec
index c36127f..acf78f0 100644
--- a/libICE.spec
+++ b/libICE.spec
@@ -31,6 +31,9 @@ Source:         http://xorg.freedesktop.org/releases/individual/lib/%{name}-%{ve
 Patch0:         U_Use-getentropy-if-arc4random_buf-is-not-available.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 #git#BuildRequires:	autoconf >= 2.60, automake, libtool
+BuildRequires:  autoconf
+BuildRequires:  automake
+BuildRequires:  libtool
 BuildRequires:  pkgconfig
 BuildRequires:  pkgconfig(xorg-macros) >= 1.12
 BuildRequires:  pkgconfig(xproto)
@@ -77,8 +80,10 @@ in %lname.
 
 %prep
 %setup -q
+%patch0 -p1
 
 %build
+autoreconf -fi
 %configure --docdir=%_docdir/%name --disable-static
 make %{?_smp_mflags}